/*******************************************************************************
 * Copyright (c) 2007, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.equinox.internal.simpleconfigurator.manipulator;

import java.util.Dictionary;
import java.util.Hashtable;
import org.eclipse.equinox.internal.provisional.configuratormanipulator.ConfiguratorManipulator;
import org.eclipse.equinox.internal.simpleconfigurator.utils.SimpleConfiguratorConstants;
import org.osgi.framework.*;
import org.osgi.util.tracker.ServiceTracker;

public class Activator implements BundleActivator {
	final static boolean DEBUG = true;
	private static BundleContext context;
	private static ServiceTracker installLocationTracker;
	private ServiceRegistration registration;
	SimpleConfiguratorManipulatorImpl manipulator = null;

	static BundleContext getContext() {
		return context;
	}

	private void registerConfiguratorManipulator() {
		Dictionary props = new Hashtable();
		props.put(ConfiguratorManipulator.SERVICE_PROP_KEY_CONFIGURATOR_BUNDLESYMBOLICNAME, SimpleConfiguratorConstants.SERVICE_PROP_VALUE_CONFIGURATOR_SYMBOLICNAME);
		props.put(Constants.SERVICE_VENDOR, "Eclipse.org");
		manipulator = new SimpleConfiguratorManipulatorImpl();
		registration = context.registerService(ConfiguratorManipulator.class.getName(), manipulator, props);
	}

	public void start(BundleContext bundleContext) throws Exception {
		Activator.context = bundleContext;
		this.registerConfiguratorManipulator();
	}

	public void stop(BundleContext bundleContext) throws Exception {
		if (registration != null)
			registration.unregister();
		if (installLocationTracker != null) {
			installLocationTracker.close();
			installLocationTracker = null;
		}
		Activator.context = null;
	}
}